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  • Stuck here, help me understand: - Limit , continuity and differentiability - JEE Main-12

f(x)= \tan x  and  g(x)= \sec x both are 

 

  • Option 1)

    Diffrentiable at \pi 

  • Option 2)

    Non -Diffrentiable at \pi 

  • Option 3)

    Diffrentiable at \pi/2 

  • Option 4)

    Diffrentiable at 3\pi/2 

 

Answers (1)

best_answer

As we have learned

Properties of differentiable functions -

Trigonometric and inverse trigonometric functions are differentiable in their respective domain.

-

 

\because Trigonometric function are diffrentiable at points in domain so f(x) = tan x and g( x) = sec x will be diffrentiable at \pi , but not at \pi /2 and 3\pi /2  

 

 

 

 

 


Option 1)

Diffrentiable at \pi 

Option 2)

Non -Diffrentiable at \pi 

Option 3)

Diffrentiable at \pi/2 

Option 4)

Diffrentiable at 3\pi/2 

Posted by

Himanshu

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